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This article in AJ

  1. Vol. 60 No. 4, p. 413-414
    Received: Feb 13, 1968

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Response of Vernonia anthelmintica (L.) Willd. to Spacing Arrangement1

  1. John H. Massey2



A field study was conducted with Indian ironweed (Vernonia anthelmintica (L.) Willd.) at Experiment, Ga., to determine the effects of row width and within-row spacing on seed yield, plant height, and basal stem diameter. Row width and within-row spacing had no effect on seed yield or plant height. Row width had a highly significant effect on stem diameter. Plants grown at 20- and 41-cm within-row spacing did not differ in stem diameter, but stems of plants grown at 10-cm within-row spacing were smaller than those grown at 20- and 41-cm spacing.

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